The Google Health API Got a CLI: ghealth is an Open-Source Tool for Your Fitbit Air Data
The Google Health API is the official successor to the Fitbit Web API. It targets the Google Health API v4 and moves developers onto Google OAuth 2.0. Now an open-source CLI command-line tool called ghealth wraps that API for terminals and AI agents. The tool is a single Go binary under the Apache 2.0 license. It exposes 40 verified data types as structured JSON. That design lets you pipe sleep, heart rate, and step data into an agent’s context. What is ghealth? ghealth is a wrap
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ghealth is an open-source command-line tool that wraps the Google Health API v4, which is the official successor to the Fitbit Web API. The tool exposes 40 verified data types as structured JSON, allowing developers and AI agents to access health data from Fitbit, Pixel Watch, and connected third-party sources through a simplified interface rather than directly using the raw API. ghealth matters because it reduces authentication and formatting boilerplate for terminal and agent use, providing deterministic exit codes and agent-first design patterns alongside documentation. The tool requires users to bring their own OAuth credentials and set up a Desktop-type OAuth client, with all Google Health API scopes classified as Restricted and requiring a privacy and security review for production access.
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